[INFO] cloning repository https://github.com/kyssion/rust_study [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyssion/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyssion%2Frust_study", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyssion%2Frust_study'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e95b2056da7544e4d73433332ee81a3aaa1b6b53 [INFO] checking kyssion/rust_study against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyssion%2Frust_study" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kyssion/rust_study on toolchain 90442458ac46b1d5eed752c316da25450f67285b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kyssion/rust_study [INFO] finished tweaking git repo https://github.com/kyssion/rust_study [INFO] tweaked toml for git repo https://github.com/kyssion/rust_study written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/kyssion/rust_study already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1e22b6caa41d680377e78ad137ffef9182386047b85d3fd299e425193113f2e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e1e22b6caa41d680377e78ad137ffef9182386047b85d3fd299e425193113f2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1e22b6caa41d680377e78ad137ffef9182386047b85d3fd299e425193113f2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1e22b6caa41d680377e78ad137ffef9182386047b85d3fd299e425193113f2e", kill_on_drop: false }` [INFO] [stdout] e1e22b6caa41d680377e78ad137ffef9182386047b85d3fd299e425193113f2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 818e155df03ae95b8f9d3d8887172aaa50d69520f2e9ad609d4378f60e6e0cc6 [INFO] running `Command { std: "docker" "start" "-a" "818e155df03ae95b8f9d3d8887172aaa50d69520f2e9ad609d4378f60e6e0cc6", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rust_study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0585]: found a documentation comment that doesn't document anything [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:259:5 [INFO] [stdout] | [INFO] [stdout] 259 | ///这里存在问题， result的生命周期和这里生命周期不匹配 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: doc comments must come before what they document, maybe a comment was intended with `//`? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:253:9 [INFO] [stdout] | [INFO] [stdout] 253 | /// 这里使用longest方法的时候传入的两个参数的生命周期不同 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = help: `///` is for documentation comments. For a plain comment, use `//`. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:254:9 [INFO] [stdout] | [INFO] [stdout] 254 | /// 但是rust方法中生命周期签名使用的都是 ‘a [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = help: `///` is for documentation comments. For a plain comment, use `//`. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:255:9 [INFO] [stdout] | [INFO] [stdout] 255 | /// rust这里处理方法使用两个生命周期最短的那个来指定 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = help: `///` is for documentation comments. For a plain comment, use `//`. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0585]: found a documentation comment that doesn't document anything [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:259:5 [INFO] [stdout] | [INFO] [stdout] 259 | ///这里存在问题， result的生命周期和这里生命周期不匹配 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: doc comments must come before what they document, maybe a comment was intended with `//`? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:253:9 [INFO] [stdout] | [INFO] [stdout] 253 | /// 这里使用longest方法的时候传入的两个参数的生命周期不同 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = help: `///` is for documentation comments. For a plain comment, use `//`. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:254:9 [INFO] [stdout] | [INFO] [stdout] 254 | /// 但是rust方法中生命周期签名使用的都是 ‘a [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = help: `///` is for documentation comments. For a plain comment, use `//`. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on expressions are experimental [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:255:9 [INFO] [stdout] | [INFO] [stdout] 255 | /// rust这里处理方法使用两个生命周期最短的那个来指定 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = help: `///` is for documentation comments. For a plain comment, use `//`. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0726]: implicit elided lifetime not allowed here [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:269:6 [INFO] [stdout] | [INFO] [stdout] 269 | impl ItemInfo{ [INFO] [stdout] | ^^^^^^^^- help: indicate the anonymous lifetime: `<'_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/rust04_panic.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:253:9 [INFO] [stdout] | [INFO] [stdout] 253 | / /// 这里使用longest方法的时候传入的两个参数的生命周期不同 [INFO] [stdout] 254 | | /// 但是rust方法中生命周期签名使用的都是 ‘a [INFO] [stdout] 255 | | /// rust这里处理方法使用两个生命周期最短的那个来指定 [INFO] [stdout] | |____________________________________________________________^ [INFO] [stdout] 256 | result = longest(string1.as_str(), string2.as_str()); [INFO] [stdout] | ------ rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0726]: implicit elided lifetime not allowed here [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:269:6 [INFO] [stdout] | [INFO] [stdout] 269 | impl ItemInfo{ [INFO] [stdout] | ^^^^^^^^- help: indicate the anonymous lifetime: `<'_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/rust04_panic.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:253:9 [INFO] [stdout] | [INFO] [stdout] 253 | / /// 这里使用longest方法的时候传入的两个参数的生命周期不同 [INFO] [stdout] 254 | | /// 但是rust方法中生命周期签名使用的都是 ‘a [INFO] [stdout] 255 | | /// rust这里处理方法使用两个生命周期最短的那个来指定 [INFO] [stdout] | |____________________________________________________________^ [INFO] [stdout] 256 | result = longest(string1.as_str(), string2.as_str()); [INFO] [stdout] | ------ rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0623]: lifetime mismatch [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:275:16 [INFO] [stdout] | [INFO] [stdout] 274 | fn init2(&self, i: &str) -> &str { [INFO] [stdout] | ---- ---- [INFO] [stdout] | | [INFO] [stdout] | this parameter and the return type are declared with different lifetimes... [INFO] [stdout] 275 | return i; [INFO] [stdout] | ^ ...but data from `i` is returned here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0585, E0623, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0585`. [INFO] [stdout] [INFO] [stdout] error[E0623]: lifetime mismatch [INFO] [stdout] --> src/rust05_trait_lifetione_types.rs:275:16 [INFO] [stdout] | [INFO] [stdout] 274 | fn init2(&self, i: &str) -> &str { [INFO] [stdout] | ---- ---- [INFO] [stdout] | | [INFO] [stdout] | this parameter and the return type are declared with different lifetimes... [INFO] [stdout] 275 | return i; [INFO] [stdout] | ^ ...but data from `i` is returned here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0585, E0623, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0585`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_study` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "818e155df03ae95b8f9d3d8887172aaa50d69520f2e9ad609d4378f60e6e0cc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "818e155df03ae95b8f9d3d8887172aaa50d69520f2e9ad609d4378f60e6e0cc6", kill_on_drop: false }` [INFO] [stdout] 818e155df03ae95b8f9d3d8887172aaa50d69520f2e9ad609d4378f60e6e0cc6